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波士顿儿童医生用近红外半导体激光光谱仪为基础发展一种方法，直接监测幼儿脑中氧的水平。其中研究目标之一是明确幼儿在心脏手术中由于脑细胞缺氧造成的危险。研究者A”d’eduPlessiS指出每年近14000幼）L在第一年就要进行心脏手术。这种手术要使血停止流动达一小时，以使医
The Boston Children’s Physician developed a method based on a near-infrared semiconductor laser spectrometer to directly monitor the level of oxygen in the brain of young children. One of the objectives of the study was to clarify the risk of hypoxia caused by brain cells in young children during cardiac surgery. Researcher A"d’eduPlessiS pointed out that nearly 14,000 young children each year will undergo cardiac surgery in the first year. This operation will stop the blood flow for an hour, so that